Home / 155,633.40-233,304.30-121,880.70

Finding the Fourth Proportional to 155,633.40, 233,304.30 and 121,880.70

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Solution

The fourth proportional to 155,633.40, 233,304.30 and 121,880.70 is: 182,706.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,633.40 : 233,304.30 = 121,880.70 : x
  2. Step 2: Convert to fraction form
    155,633.40/233,304.30 = 121,880.70/x
  3. Step 3: Cross multiply
    155,633.40x = 233,304.30 × 121,880.70
  4. Step 4: Simplify right side
    155,633.40x = 28,435,291,397.01
  5. Step 5: Solve for x
    x = 28,435,291,397.01/155,633.40
  6. Step 6: Final answer
    x = 182,706.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.